1: (0 2 7)

(0)(1 20 17)(2 12 10 9 7 21 6)(3 15 13 11 8)(4 19 5)(14 18 16)

2: (6 10 21)

(0)(1 20 17)(2 12 10)(3 15 13 11 8)(4 19 5)(6)(7 21 9)(14 18 16)

3: (3 11 8)

(0)(1 20 17)(2 12 10)(3)(4 19 5)(6)(7 21 9)(8)(11 15 13)(14 18 16)

4: (2 12 10)

(0)(1 20 17)(2)(3)(4 19 5)(6)(7 21 9)(8)(10)(11 15 13)(12)(14 18 16)